CN106655550B - A kind of motorized roller motor - Google Patents
A kind of motorized roller motor Download PDFInfo
- Publication number
- CN106655550B CN106655550B CN201710026725.1A CN201710026725A CN106655550B CN 106655550 B CN106655550 B CN 106655550B CN 201710026725 A CN201710026725 A CN 201710026725A CN 106655550 B CN106655550 B CN 106655550B
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- stator
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Abstract
The present invention proposes a kind of motorized roller motor, includes at least rotor core, axis, stator fixed block, excitation winding, stator core, bearing and armature winding, and the motorized roller motor is outer-rotor structure, and rotor core outer circumference surface directly drives driving belt.Stator core shares 4X, and X is positive integer, and there are two stator poles for each stator core；Rotor core has 9X inwardly projecting rotor poles.The pole span of two stator poles is equal to the pole span of rotor pole in the same stator core.Armature coil can be divided into two phase windings of 90 ° of electrical angles of difference in the circumferential direction.Two phase winding of motor can form two channels being mutually isolated, and when wherein a phase breaks down, another channel can be with fault-tolerant operation, this improves the reliability of system；Also motor can be used for directly driving roller for this.
Description
Technical field
The present invention relates to a kind of motorized roller motors, belong to specific type of electric machine technical field.
Background technique
Motorized roller is the main component of the equipment transmitting power such as belt conveyor and promotion, is widely used in metallurgy, mine
The industries such as mountain, coal, building materials, electric power, chemical industry.
The power resources of motorized roller are in motor.The motor that overwhelming majority motorized roller uses at present is inner rotor motor,
The motor is needed using gear reduction unit in power transmission to roller ectosome, therefore mechanical structure is complex, bulky.
Roller and motor housing integration may be implemented in the motor of outer-rotor structure, eliminates gear reduction unit, utilizes an axis
It realizes the rotation of motorized roller, therefore is conducive to improve transmission efficiency and reliability, save production cost.
Currently, the widely used motor permanent magnet DC motor of motorized roller and asynchronous machine.But what direct current generator had
Carbon brush slip-ring structure is easy to produce electric spark, is not suitable for using in high-risk mine；Electric current is big when starting asynchronous motor and torque
It is relatively low.
In addition, there are also Patents documents, for example, Patent No. 201320170980.0 authorization patent: it is a kind of
The built-in type motorized roller that doubly-salient brushless motor directly drives proposes a kind of by rotor outer periphery wall and barrel inner wall company
It is connected in integrated built-in type motorized roller.
Motorized roller applied to the important industry such as mine is higher and higher to reliability requirement, if event occurs for motorized roller
Barrier, it will cause serious economic loss.In order to further increase the reliability of this motorized roller, should propose a kind of novel
Motor makes it remain to operate with failure when there is certain failure.
The granted patent of Patent No. 201510010867X: a kind of straight drive motorized roller high reliability motor also provides
A kind of motorized roller structure using double salient-pole electric machine, while the invention also indicates that and system can be improved using dual-channel technology
The ability that operates with failure.
The research of existing four phases, five phase electric excitation biconvex electrode electric machines is reported at present, also there is six-phase permanent-magnet motor, the induction of six phases
The research of motor is reported, but does not retrieve the research report about two-phase binary channels motor so far.While each phase of existing literature
Between and effective isolation is not implemented, therefore failure winding may have a negative impact or even cause failure to non-faulting winding
It propagates.Therefore need to propose a kind of electric Rolling motor that two new phase windings are mutually isolated.
Summary of the invention
Technical problem to be solved: provide a kind of two-phase be mutually isolated, the motorized roller motor that failure cannot be propagated.
In order to achieve the above functions, the technical solution adopted by the present invention is that:
A kind of motorized roller motor, include at least rotor core (1), axis (2), stator fixed block (3), excitation winding (4),
Stator core (5), bearing and armature winding, it is characterised in that:
The motorized roller motor is outer-rotor structure, and rotor core outer circumference surface directly drives driving belt；
Stator core (5) shares 4X, and X is positive integer, and there are two stator poles, the same stators for each stator core (5)
The pole span of upper two stator poles of iron core (5) is equal to the pole span of rotor pole；
Rotor core (1) has 9X inwardly projecting rotor poles, and the pole embrace of rotor pole is 0.5；Stator poles are wide and turn
Son is extremely wide equal；
Armature coil, all armature coil coilings are wound in the stator poles of each stator core (5) clockwise direction side
Direction is identical；
Excitation winding (4), adjacent stator core are wound in the stator poles of each stator core (5) counter clockwise direction side
(5) excitation winding (4) on is around to opposite；Each excitation winding (4) the number of turns having the same；
Armature coil is along the circumferential direction divided into A phase coil, B phase coil, A phase coil and B phase coil, is so recycled
X times；All A phase coils are composed in series A phase armature winding, and all B phase coils are composed in series B phase armature winding；Due to upper
State the uniqueness of stator poles and rotor number of poles, two phase windings of 90 ° of electrical angles of available difference.
A kind of motorized roller motor as described above, it is characterised in that: the stator poles are all fixed with permanent magnet, adjacent
Permanent magnet magnetizing direction is opposite；
A kind of motorized roller motor as described above, it is characterised in that: generated when the exciting current in excitation winding (4)
When magnetic field is identical as permanent magnetic field, the output torque of motorized roller can be enhanced；When the exciting current in excitation winding (4) generates
Magnetic field it is opposite with permanent magnetic field when, air gap resultant magnetic field can be weakened to realize high speed weak magnetic.
The beneficial effects of the present invention are:
Two windings of 1 motor are mutually isolated, and failure can be limited in a phase, are caused with reducing the relatively other phases of failure
Negative effect, prevents fault propagation；
2 motors have two independent channels, another channel can continue the fortune that is powered after a channel is broken down
Row；
3 rotors are without excitation winding or permanent magnet, reliable operation；
4 total magnetic linkages are shorter, and silicon steel sheet magnetic resistance is small, and iron loss is few；
5 windings are all centralized winding, and internal resistance is small (copper loss is few), high-efficient；
6 have outer rotor, can directly drive the conveyer belt of motorized roller；
7 liang of phase windings differ 90 ° of electrical angles, it is possible to reduce torque pulsation caused by commutation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of motorized roller motor electrical excitation scheme of X=1 of the present invention.Wherein, 1, rotor iron
The heart, 2, axis, 3, stator fixed block, 4, excitation winding, 5, stator core, 6, A phase winding, 7, B phase winding.
Fig. 2 is that a kind of motorized roller motor of X=1 of the present invention has the structural schematic diagram of permanent magnet scheme.Wherein, 1, turn
Sub- iron core, 2, axis, 3, stator fixed block, 4, excitation winding, 5, stator core, 6, A phase winding, 7, B phase winding, 8, permanent magnet.
Fig. 3 is a kind of motorized roller machine winding winding method of X=1 of the present invention.Wherein, the serial number 1-8 on top indicates pole
Number sequence number, F, A and B respectively indicate excitation winding, A phase armature winding and B phase armature winding.
Fig. 4 is the circuit connection diagram of winding and converter in the present invention.
Fig. 5 is two phase winding back-emf simulation waveform of motor of the present invention.
Specific embodiment
The present invention provide it is a kind of straight drive motorized roller motor, for make technical solution of the present invention and effect it is clearer,
It is clear, and referring to attached drawing and give an actual example that the present invention is described in more detail.It should be appreciated that specific implementation described herein
Only to explain the present invention, it is not intended to limit the present invention.
The embodiment of a kind of motorized roller motor as shown in Figure 1, by rotor core (1), axis (2), stator fixed block
(3), excitation winding (4), stator core (5), bearing and armature winding composition.The motorized roller motor is outer-rotor structure,
Rotor core outer circumference surface directly drives driving belt.
Stator core (5) shares 4, i.e. X=1, and there are two stator poles for each stator core (5), and two stator poles are radially
Protrusion, the pole span of same upper two stator poles of stator core (5) are equal to the pole span of rotor pole.
Rotor core (1) has 9 inwardly projecting rotor poles, and the pole embrace of rotor pole is 0.5；Stator poles are wide and rotor
It is extremely wide equal.
Armature coil, all armature coil coilings are wound in the stator poles of each stator core (5) clockwise direction side
Direction is identical.Excitation winding (4), adjacent stator core are wound in the stator poles of each stator core (5) counter clockwise direction side
(5) excitation winding (4) on is around to opposite；Each excitation winding (4) the number of turns having the same.
The embodiment of a kind of motorized roller motor as shown in Figure 2, by rotor core (1), axis (2), stator fixed block
(3), excitation winding (4), stator core (5), bearing, armature winding and set of permanent magnets at.The stator poles unlike Fig. 1
It is all fixed with permanent magnet, adjacent permanent magnet magnetizing direction is opposite.
When the magnetic field that the exciting current in excitation winding (4) generates is identical as permanent magnetic field, motorized roller can be enhanced
Output torque；When the magnetic field that the exciting current in excitation winding (4) generates is opposite with permanent magnetic field, air gap conjunction can be weakened
At magnetic field to realize high speed weak magnetic.
Fig. 3 gives a kind of motorized roller machine winding winding method of X=1 of the present invention.All armature coil coilings direction
It is identical.Excitation winding (F) on adjacent stator core is around to opposite；Each excitation winding (F) the number of turns having the same.Circumferentially
Armature coil is divided into A phase coil, B phase coil, A phase coil and B phase coil by direction；All A phase coils are composed in series A
Phase armature winding, all B phase coils are composed in series B phase armature winding.
Fig. 4 is the circuit connection diagram of winding and converter in the present invention.The converter can be independent to two phase windings
It is powered, to realize the electric isolution of two phase windings.
Fig. 5 is two phase winding back-emf simulation waveform of motor of the present invention.It is only due to said stator number of poles and rotor number of poles
Characteristic, two phase windings of 90 ° of electrical angles of available difference.
Motorized roller motor working principle provided by the invention are as follows: excitation winding can provide excitation flux linkage after being powered.Assuming that
Rotor pole slides into the 2nd stator poles, and the mutual inductance of winding and excitation winding in the 2nd stator poles is begun to ramp up, logical to the winding at this time
With forward current, which can produce positive output torque.At the same time, rotor pole also can skid off the 6th stator poles simultaneously, should
The mutual inductance of winding and excitation winding in stator poles begins to ramp up decline, passes to negative current to the winding at this time, the winding
It can produce positive output torque.From figure 3, it can be seen that on the winding and the 6th stator poles in the 2nd stator poles around on the contrary,
The electric current of opposite direction can be passed through after series connection.
Two phase windings differ 90 ° of electrical angles, wherein when a phase is in commutation state, another phase is not in commutation, therefore two-phase
Winding can reduce torque pulsation caused by motor commutation.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (3)
1. a kind of motorized roller motor includes at least rotor core (1), axis (2), stator fixed block (3), excitation winding (4), determines
Sub- iron core (5), bearing and armature winding, it is characterised in that:
The motorized roller motor is outer-rotor structure, and rotor core outer circumference surface directly drives driving belt；
Stator core (5) shares 4X, and X is positive integer, and there are two stator poles, the same stator cores for each stator core (5)
(5) pole span of upper two stator poles is equal to the pole span of rotor pole；
Rotor core (1) has 9X inwardly projecting rotor poles, and the pole embrace of rotor pole is 0.5；Stator poles are wide and rotor pole
Width is equal；
Armature coil, all armature coil coilings direction are wound in the stator poles of each stator core (5) clockwise direction side
It is identical；
It is wound with excitation winding (4) in the stator poles of each stator core (5) counter clockwise direction side, on adjacent stator core (5)
Excitation winding (4) around to opposite；Each excitation winding (4) the number of turns having the same；
Armature coil is along the circumferential direction divided into A phase coil, B phase coil, A phase coil and B phase coil, so circulation X times；
All A phase coils are composed in series A phase armature winding, and all B phase coils are composed in series B phase armature winding；The motor two
Phase winding back-emf differs 90 ° of electrical angles.
2. a kind of motorized roller motor as described in claim 1, it is characterised in that: the stator poles are all fixed with permanent magnet,
Adjacent permanent magnet magnetizing direction is opposite.
3. a kind of motorized roller motor as described in claim 1, it is characterised in that: the exciting current in excitation winding (4)
When the magnetic field of generation is identical as permanent magnetic field, the output torque of motorized roller can be enhanced；When the excitation electricity in excitation winding (4)
When the raw magnetic field of miscarriage is opposite with permanent magnetic field, air gap resultant magnetic field can be weakened to realize high speed weak magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026725.1A CN106655550B (en) | 2017-01-14 | 2017-01-14 | A kind of motorized roller motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026725.1A CN106655550B (en) | 2017-01-14 | 2017-01-14 | A kind of motorized roller motor |
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| Publication Number | Publication Date |
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| CN106655550A CN106655550A (en) | 2017-05-10 |
| CN106655550B true CN106655550B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710026725.1A Active CN106655550B (en) | 2017-01-14 | 2017-01-14 | A kind of motorized roller motor |
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| CN (1) | CN106655550B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302034B (en) * | 2018-10-31 | 2020-11-03 | 山东理工大学 | Motor generator for hybrid electric vehicle |
| CN110572092B (en) * | 2019-09-30 | 2022-03-22 | 佛山科学技术学院 | Control method and system for doubly salient permanent magnet motor phase current driving switch |
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|---|---|---|---|---|
| CN101355286A (en) * | 2008-09-09 | 2009-01-28 | 浙江大学 | Mixing excitation type permanent magnet switch magnetic linkage electric machine |
| CN102185451A (en) * | 2011-04-19 | 2011-09-14 | 南京航空航天大学 | Segmented rotor type magnetic flux switching motor with hybrid excitation and magnetic adjustment method |
| CN102810964A (en) * | 2011-06-02 | 2012-12-05 | 三星电机株式会社 | Switched reluctance motor |
| CN203039542U (en) * | 2013-01-15 | 2013-07-03 | 济南吉美乐电源技术有限公司 | Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation |
| JP2013207980A (en) * | 2012-03-29 | 2013-10-07 | Panasonic Corp | Motor driving system and motor driving method |
| CN203255652U (en) * | 2013-04-08 | 2013-10-30 | 南京航空航天大学 | Built-in type electric roller directly driven by doubly-salient brushless motor |
| CN105375656A (en) * | 2015-11-27 | 2016-03-02 | 济南吉美乐电源技术有限公司 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
| CN105449881A (en) * | 2015-11-23 | 2016-03-30 | 南京航空航天大学 | Low-mutual-inductance fault tolerance type six-phase double-salient-pole brushless DC motor |
-
2017
- 2017-01-14 CN CN201710026725.1A patent/CN106655550B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355286A (en) * | 2008-09-09 | 2009-01-28 | 浙江大学 | Mixing excitation type permanent magnet switch magnetic linkage electric machine |
| CN102185451A (en) * | 2011-04-19 | 2011-09-14 | 南京航空航天大学 | Segmented rotor type magnetic flux switching motor with hybrid excitation and magnetic adjustment method |
| CN102810964A (en) * | 2011-06-02 | 2012-12-05 | 三星电机株式会社 | Switched reluctance motor |
| JP2013207980A (en) * | 2012-03-29 | 2013-10-07 | Panasonic Corp | Motor driving system and motor driving method |
| CN203039542U (en) * | 2013-01-15 | 2013-07-03 | 济南吉美乐电源技术有限公司 | Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation |
| CN203255652U (en) * | 2013-04-08 | 2013-10-30 | 南京航空航天大学 | Built-in type electric roller directly driven by doubly-salient brushless motor |
| CN105449881A (en) * | 2015-11-23 | 2016-03-30 | 南京航空航天大学 | Low-mutual-inductance fault tolerance type six-phase double-salient-pole brushless DC motor |
| CN105375656A (en) * | 2015-11-27 | 2016-03-02 | 济南吉美乐电源技术有限公司 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
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| CN106655550A (en) | 2017-05-10 |
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